ปัญหา web service Apache Run อยู่แล้วชอบ Error ทำให้ไม่สามารถใช้งานได้ต้อง reboot server บ่อยๆ

The process cannot access the file because it is being used by another process.
The system cannot find the file C:\AppServ\www\phpMyAdmin\explode.exe.
Could Not Find C:\AppServ\www\phpMyAdmin\explode.exe
'exit`' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the file C:\AppServ\www\phpMyAdmin\explode.exe.
Could Not Find C:\AppServ\www\phpMyAdmin\explode.exe
'exit`' is not recognized as an internal or external command,
operable program or batch file.
'`cmd.exe' is not recognized as an internal or external command,
operable program or batch file.
The system cannot find the file C:\AppServ\www\phpMyAdmin\explode.exe.
Could Not Find C:\AppServ\www\phpMyAdmin\explode.exe
'exit`' is not recognized as an internal or external command,
operable program or batch file.
[Tue Oct 07 02:37:12 2014] [error] [client 69.171.113.210] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /tmUnblock.cgi
[Tue Oct 07 05:12:43 2014] [error] [client 211.24.62.69] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /tmUnblock.cgi
[Tue Oct 07 06:01:26 2014] [warn] pid file C:/AppServ/Apache2.2/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Tue Oct 07 06:01:39 2014] [notice] Apache/2.2.8 (Win32) PHP/5.2.6 configured -- resuming normal operations
[Tue Oct 07 06:01:39 2014] [notice] Server built: Jan 18 2008 00:37:19
[Tue Oct 07 06:01:39 2014] [notice] Parent: Created child process 1828
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Tue Oct 07 06:01:39 2014] [notice] Child 1828: Child process is running
[Tue Oct 07 06:01:39 2014] [notice] Child 1828: Acquired the start mutex.
[Tue Oct 07 06:01:39 2014] [notice] Child 1828: Starting 64 worker threads.
[Tue Oct 07 06:01:39 2014] [notice] Child 1828: Starting thread to listen on port 80.
[Tue Oct 07 10:45:25 2014] [error] [client 192.168.20.126] File does not exist: C:/AppServ/www/favicon.ico
[Tue Oct 07 11:20:18 2014] [error] [client 192.168.17.13] File does not exist: C:/AppServ/www/favicon.ico
[Tue Oct 07 11:20:25 2014] [error] [client 192.168.17.13] File does not exist: C:/AppServ/www/hwcjob/homea
[Tue Oct 07 11:39:07 2014] [error] [client 66.249.84.90] File does not exist: C:/AppServ/www/favicon.ico
[Tue Oct 07 13:31:21 2014] [error] [client 65.25.236.220] client sent HTTP/1.1 request without hostname (see RFC2616 section 14.23): /tmUnblock.cgi
[Tue Oct 07 15:52:31 2014] [error] [client 1.46.18.22] File does not exist: C:/AppServ/www/favicon.ico
[Tue Oct 07 16:58:17 2014] [error] [client 192.168.20.126] File does not exist: C:/AppServ/www/favicon.ico
[Tue Oct 07 22:52:55 2014] [notice] Parent: child process exited with status 3221225725 -- Restarting.
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Tue Oct 07 22:53:00 2014] [notice] Apache/2.2.8 (Win32) PHP/5.2.6 configured -- resuming normal operations
[Tue Oct 07 22:53:00 2014] [notice] Server built: Jan 18 2008 00:37:19
[Tue Oct 07 22:53:00 2014] [notice] Parent: Created child process 3864
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Tue Oct 07 22:53:00 2014] [notice] Child 3864: Child process is running
[Tue Oct 07 22:53:00 2014] [notice] Child 3864: Acquired the start mutex.
[Tue Oct 07 22:53:00 2014] [notice] Child 3864: Starting 64 worker threads.
[Tue Oct 07 22:53:00 2014] [notice] Child 3864: Starting thread to listen on port 80.
[Tue Oct 07 23:46:42 2014] [error] [client 162.219.179.101] File does not exist: C:/AppServ/www/checkupdate.asmx
[Wed Oct 08 01:46:24 2014] [warn] Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting
[Wed Oct 08 06:01:01 2014] [warn] pid file C:/AppServ/Apache2.2/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 06:01:10 2014] [notice] Apache/2.2.8 (Win32) PHP/5.2.6 configured -- resuming normal operations
[Wed Oct 08 06:01:10 2014] [notice] Server built: Jan 18 2008 00:37:19
[Wed Oct 08 06:01:10 2014] [notice] Parent: Created child process 1852
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 06:01:11 2014] [notice] Child 1852: Child process is running
[Wed Oct 08 06:01:11 2014] [notice] Child 1852: Acquired the start mutex.
[Wed Oct 08 06:01:11 2014] [notice] Child 1852: Starting 64 worker threads.
[Wed Oct 08 06:01:11 2014] [notice] Child 1852: Starting thread to listen on port 80.
[Wed Oct 08 08:13:41 2014] [warn] Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting
[Wed Oct 08 10:55:01 2014] [warn] pid file C:/AppServ/Apache2.2/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 10:55:12 2014] [notice] Apache/2.2.8 (Win32) PHP/5.2.6 configured -- resuming normal operations
[Wed Oct 08 10:55:12 2014] [notice] Server built: Jan 18 2008 00:37:19
[Wed Oct 08 10:55:12 2014] [notice] Parent: Created child process 2000
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 10:55:12 2014] [notice] Child 2000: Child process is running
[Wed Oct 08 10:55:13 2014] [notice] Child 2000: Acquired the start mutex.
[Wed Oct 08 10:55:13 2014] [notice] Child 2000: Starting 64 worker threads.
[Wed Oct 08 10:55:13 2014] [notice] Child 2000: Starting thread to listen on port 80.
[Wed Oct 08 10:55:24 2014] [error] [client 192.168.17.13] File does not exist: C:/AppServ/www/favicon.ico
[Wed Oct 08 13:01:09 2014] [error] [client 66.249.84.90] File does not exist: C:/AppServ/www/favicon.ico
[Wed Oct 08 13:13:57 2014] [warn] Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting
The Apache2.2 service is restarting.
The Apache2.2 service has restarted.
arent: Received restart signal -- Restarting the server.
[Wed Oct 08 15:20:23 2014] [notice] Child 2000: Exit event signaled. Child process is ending.
[Wed Oct 08 15:20:24 2014] [notice] Child 2000: Released the start mutex
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 15:20:28 2014] [notice] Apache/2.2.8 (Win32) PHP/5.2.6 configured -- resuming normal operations
[Wed Oct 08 15:20:28 2014] [notice] Server built: Jan 18 2008 00:37:19
[Wed Oct 08 15:20:28 2014] [notice] Parent: Created child process 1412
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 15:20:28 2014] [notice] Child 1412: Child process is running
[Wed Oct 08 15:20:28 2014] [notice] Child 1412: Acquired the start mutex.
[Wed Oct 08 15:20:28 2014] [notice] Child 1412: Starting 64 worker threads.
[Wed Oct 08 15:20:54 2014] [notice] Child 2000: Waiting 270 more seconds for 64 worker threads to finish.
[Wed Oct 08 15:21:24 2014] [notice] Child 2000: Waiting 240 more seconds for 64 worker threads to finish.
[Wed Oct 08 15:22:41 2014] [warn] pid file C:/AppServ/Apache2.2/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 15:22:48 2014] [notice] Apache/2.2.8 (Win32) PHP/5.2.6 configured -- resuming normal operations
[Wed Oct 08 15:22:48 2014] [notice] Server built: Jan 18 2008 00:37:19
[Wed Oct 08 15:22:49 2014] [notice] Parent: Created child process 1756
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 15:22:49 2014] [notice] Child 1756: Child process is running
[Wed Oct 08 15:22:49 2014] [notice] Child 1756: Acquired the start mutex.
[Wed Oct 08 15:22:49 2014] [notice] Child 1756: Starting 64 worker threads.
[Wed Oct 08 15:22:49 2014] [notice] Child 1756: Starting thread to listen on port 80.
[Wed Oct 08 15:22:52 2014] [error] [client 192.168.20.126] File does not exist: C:/AppServ/www/favicon.ico
[Wed Oct 08 16:31:37 2014] [error] [client 192.168.20.227] File does not exist: C:/AppServ/www/favicon.ico
[Wed Oct 08 17:12:10 2014] [warn] Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting
[Wed Oct 08 23:52:22 2014] [notice] Parent: Received shutdown signal -- Shutting down the server.
[Wed Oct 08 23:52:22 2014] [notice] Child 1756: Exit event signaled. Child process is ending.
[Wed Oct 08 23:52:23 2014] [notice] Child 1756: Released the start mutex
[Wed Oct 08 23:52:52 2014] [notice] Parent: Forcing termination of child process 528 
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 23:53:00 2014] [notice] Apache/2.2.8 (Win32) PHP/5.2.6 configured -- resuming normal operations
[Wed Oct 08 23:53:00 2014] [notice] Server built: Jan 18 2008 00:37:19
[Wed Oct 08 23:53:00 2014] [notice] Parent: Created child process 1224
PHP Warning:  PHP Startup: Unable to load dynamic library 'C:/AppServ\\php5\\ext\\php_exif.dll' - The specified module could not be found.\r\n in Unknown on line 0
[Wed Oct 08 23:53:00 2014] [notice] Child 1224: Child process is running
[Wed Oct 08 23:53:00 2014] [notice] Child 1224: Acquired the start mutex.
[Wed Oct 08 23:53:00 2014] [notice] Child 1224: Starting 64 worker threads.
[Wed Oct 08 23:53:00 2014] [notice] Child 1224: Starting thread to listen on port 80.
[Wed Oct 08 23:53:19 2014] [error] [client 127.0.0.1] File does not exist: C:/AppServ/www/favicon.ico